UFR 3-33 Evaluation: Difference between revisions
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Fig. 1: Visualization of flow regions and characteristic flow features of the flow past the hemisphere: (1) horseshoe vortex system, (2) stagnation area, (3) acceleration of the flow, (4) separation point, (5) dividing streamline, (6) shear layer vorticity, (7) reattachment point. | Fig. 1: Visualization of flow regions and characteristic flow features of the flow past the hemisphere: (1) horseshoe vortex system, (2) stagnation area, (3) acceleration of the flow, (4) separation point, (5) dividing streamline, (6) shear layer vorticity, (7) reattachment point. | ||
[[Image:UFR3- | [[Image:UFR3-33_unsteady_vortical_structures.png|x600px]] | ||
Fig. 2: Snapshot of unsteady vortical structures visualized by utilizing the iso-surfaces of the pressure fluctuations (<math>p'/(\rho_\text{air} U_\infty^2) = -2.47 \times 10^{-4}</math>) colored by the spanwise instantaneous velocity. | |||
== Comparison between numerical and experimental time-averaged results == | == Comparison between numerical and experimental time-averaged results == | ||
Revision as of 15:20, 20 January 2016
Turbulent flow past a smooth and rigid wall-mounted hemisphere
Semi-confined flows
Underlying Flow Regime 3-33
Evaluation
Unsteady results
Fig. 1: Visualization of flow regions and characteristic flow features of the flow past the hemisphere: (1) horseshoe vortex system, (2) stagnation area, (3) acceleration of the flow, (4) separation point, (5) dividing streamline, (6) shear layer vorticity, (7) reattachment point.
Fig. 2: Snapshot of unsteady vortical structures visualized by utilizing the iso-surfaces of the pressure fluctuations () colored by the spanwise instantaneous velocity.
Comparison between numerical and experimental time-averaged results
Contributed by: Jens Nikolas Wood, Guillaume De Nayer, Stephan Schmidt, Michael Breuer — Helmut-Schmidt Universität Hamburg
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